International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395 -0056
Volume: 04 Issue: 03 | Mar -2017
p-ISSN: 2395-0072
www.irjet.net
DESIGN AND ANALYSIS OF A FRACTAL SHAPED ANTENNA OVER A META MATERIAL P.V.S.K.chaithanya 1, sai nikilesh reddy A2, rajeshwarasethupathy N 3, Ribitha Elizabeth M4 Students, Department of ECE, Jeppiaar SRR Engineering college, Padur, Chennai -603 103 professor, Department of ECE, Jeppiaar SRR Engineering College, Padur, Chennai-603103 ---------------------------------------------------------------------***--------------------------------------------------------------------case of fractal antennas. Basically, these antennas are Abstract - The main aim of our project is to construct antenna using fractal patterns in order to obtain self-loading as capacitance and inductance are added desired performance properties. Here are some of the without use of any external components. As a result prevailing trends in the present day wireless devises they consist of various number of resonant frequencies. and they are reduce in physical size and multi-band character. A reduction in physical size and multi-band 3. SIRENPINSKI FRACTAL ANTENNA capability are thus important design requirements for antennas in future wireless devices. The usage of fractal The sirenpinski fractal antenna is a good example of patterns in antenna design provides a simple and a self-similar antenna that shows multi-band behavior. eďŹƒcient method for obtaining the desired compactness. It shows several resonance bands. The stages of A proof-of-concept fractal antenna was designed with a construction of a fractal antenna are as show in the thickness of 2mm by keeping meta material as a figure. Initially an equilateral triangle and in the next substrate. A compact, multi-band antenna based on the sirenpinski fractal was designed to operate at 0 to 10.0 step the center triangle with vertices located at midGHz. Simulations were performed using the software points of the sides of the former triangle are removed. packages i.e., ADS to calculate s-parameters like gain, The triangular fractal is generated by continuous directivity etc.,. The design methodology used, iteration in this process, an infinite number of times. simulation and test results, as well as design recommendations are presented. 1, 2, 3
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1. INTRODUCTION In modern era, man is the alter ego of luxury. A device supporting WLAN, GPS, GPRS, Bluetooth and many more devises have been used in our day to day process. If an antenna is used for each and every devise separately, the size of the desired device will become infinity. Fractal antenna seemed to be the answer for this demand. Now the question arises what a fractal antenna is? Succinctly, an antenna with a self-similarity design to enhance the perimeter of material under the affect of electromagnetic radiations within a given total surface area or volume is called as fractal antenna.
Fig 1 Iterated sirenpinski[1] patch antenna The fractal antenna is designed on the metamaterial substrate a thickness of 2mm.
2. FRACTAL THEORY In conventional micro-strip patch antennas, multiband behavior was achieved by using multiple radiating elements or reactively loaded patch antennas and the same is possible with self-similarity property in Š 2017, IRJET
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